举例来说,如果another-file.js位于上层目录,你必须这样导入:import {BigButton} from '../another-file'。 在导入组件时,我们使用大括号包裹组件名称。这被称为命名导入。 import/export语法被称为JavaScript模块。为了能够从不同的文件中导入一个组件,必须使用命名的或默认的导出方式将其导出。上述例子使用了命名导...
importReact, { Component }from'react';classButtonextendsComponent{ render() {// ...} }exportdefaultButton;// Don’t forget to use export default! DangerButton.js importReact, { Component }from'react';importButtonfrom'./Button';// Import a component from another fileclassDangerButtonextendsCom...
import React, { Component } from 'react'; import Button from './Button'; // Import a component from another file class DangerButton extends Component { render() { return <Button color="red" />; } } export default DangerButton; Be aware of the difference between default and named exports...
import React, { Component } from 'react'; import Button from './Button'; // Import a component from another file class DangerButton extends Component { render() { return <Button color="red" />; } } export default DangerButton;
import React, { Component } from 'react'; import Button from './Button'; // Import a component from another file class DangerButton extends Component { render() { return <Button color="red" />; } } export default DangerButton; Be aware of the difference between default and named exports...
Exports theGallerycomponent as adefault export. App.js: ImportsGalleryas adefault importfromGallery.js. Exports the rootAppcomponent as adefault export. Note You may encounter files that leave off the.jsfile extension like so: import Gallery from './Gallery'; ...
We can now import our <Switch> component from another file with the syntax: var Switch = require('./switch'); ... var switchComp = <Switch onValueChange={(val) => {console.log(val); }}/>; Let’s actually use the <Switch> component. Create a new file, CrossPlatform.js, and in...
这可以通过在导入语句中使用as关键字来实现,例如import { Component as MyComponent } from 'module'。 模块化开发:将组件拆分为更小的模块,每个模块只包含特定的功能。这样可以降低组件之间的耦合度,并提高代码的可维护性和复用性。 使用ES6模块系统:使用ES6模块系统进行导入导出,而不是使用旧的CommonJS模块...
For example, we can import it in another component file like this: import React from 'react'; import MyComponent from './MyComponent'; const App = () => { return ( <MyComponent /> ); }; export default App; FAQ Q: Why do we need to import React in every component file?
问题出在我尝试import a component from one jsx into another jsx的时候。我没有看到任何错误,但是我试图导入的javascript在django上没有加载。示例:File:index.jsvar ReactDOM = require(&# 浏览2提问于2016-10-10得票数 2 1回答 ReactJS -关于react-router-dom的问题 、 我有一个仅呈现<Dashboard>组件的...